Question

it View History Bookmarks People Window Help ut Guide 3.0.pdf WeWork: Math-155-04-Sp x t-table.xls Course: 2020SP MATH-155-0 * Math 155 Chapter emath2.marywood.edu/webwork/Math-155-04-Spring-20-Troast/Chapter_7_and_8/17/7effective User-srflannelly&users flannelly&key MAA MATHEMATICAL ASSOCIATION OF AMERICA < webwork/math-155-04-spring-20-troast / chapter_7_and_8/17 Chapter 7 and 8: Problem 17 Previous Problem Problem List Next Problem (1 point) Suppose, for a sample selected from a normally distributed population, X = 73.9 and 3 = 8.8. a. Construct a 90 % confidence interval for u assuming n = 16. b. Construct a 95 % confidence interval for u assuming n = 16. c. Construct a 90 % confidence interval for i assuming n = 25.

Answer 1

x ~Nuo 2) souple from given د: 13 : ر ا S:808 - Now (مه عمر ) معا :) : (عسل) 1 toros, it to os da for x = 0.1 ها : 1 و ده 3 to . 5 , 15 : | Fs | : کا = 41 ممالیہ مضمحل -) .207 ( (که 153 ) و:13) 5 لا (1309 13085 (+1) صلاهو - . وو (177564 و3ماہ 400 ) ||

$00وم م عمولا : ة 16 - n 2 : 131 وماه = 95% CI for u when n=10 is ] 13 : 0 و (فال213) + ] 13 . 9 6891 با . . ال 7 95%.c.1 for u when r = 16 is, ) 69 . 215 ( 5891 R8 و ) 00 : ه ر .35: n ا 68 40 1 شيريهمل د ممه .هو 1 مرض 15 =1 مطلبه معلم 13 : 51] لاو (1081{ -) و13 اما [111ة 30 > Ist. c. for when n=25 is . ( 11ف و89 88 100 ط اها محل له هيله لفظنیل .ململسلسلهمنلن ومنها للمليسلم